Class Dinophyceae Pascher (1914)
Status: extant
   Order Peridiniales Haeckel (1894)
  Status: extant
     Family Protoperidiniaceae Balech (1988), nom. cons.
    Status: extant
       Genus Diplopsalopsis Meunier (1910)
      Status: extant
         Diplopsalopsis latipeltata Balech & Borgese
        Status: extant